- Introduced `utc_parser.dart` with functions to convert UTC timestamps to local time.
- Updated date parsing in various entities to use the new utility functions for consistency.
- Refactored date handling in `BenefitHistory`, `Business`, `AttendanceStatus`, `AssignedWorker`, `TimeRange`, `Invoice`, `PaymentChartPoint`, `StaffPayment`, `TimeCardEntry`, `OrderItem`, `OrderPreview`, `RecentOrder`, `StaffRating`, `CoverageDayPoint`, `ForecastWeek`, `NoShowIncident`, `SpendDataPoint`, `AssignedShift`, `CancelledShift`, `CompletedShift`, `OpenShift`, `PendingAssignment`, `Shift`, `ShiftDetail`, `TodayShift`, `BusinessMembership`, and `Staff`.
- Updated `ReorderWidget` and `OrderEditSheet` to handle date formatting correctly.
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